#B3503A#B3503A

#B3503A is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.3% C 0.134 H 34.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#B3503A
RGB	rgb(179, 80, 58)
HSL	hsl(11, 51%, 46%)
HSV	hsv(11, 68%, 70%)
CMYK	cmyk(0%, 55.3%, 67.6%, 29.8%)
CIE-LAB	lab(46.48, 38.71, 32.27)
CIE-LCH	lch(46.48, 50.40, 39.82°)
OKLab	oklab(55.33% 0.1113 0.0749)
OKLCH	oklch(55.33% 0.134 34)
XYZ	xyz(22.2249, 15.6293, 5.8486)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3503A #3A9DB3

analogous

#B33A61 #B3503A #B38D3A

triadic

#B3503A #3AB350 #503AB3

tetradic

#B3503A #61B33A #3A9DB3 #8D3AB3

square

#B3503A #61B33A #3A9DB3 #8D3AB3

split-complementary

#B3503A #3AB38D #3A61B3

monochromatic

#57271C #853B2B #B3503A #CB735F #DA9B8D

Accessibility & contrast

On white

5.09

#B3503A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#B3503A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3503A

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3503A	#FFFFFF	#000000	##FFFFFF
##B3503A	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6138

Deuteranopia (green-blind)

#827638

Tritanopia (blue-blind)

#C43C4B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b3503a;
/* rgb */ color: rgb(179, 80, 58);
/* oklch */ color: oklch(55.3% 0.134 34.0);

Tailwind

colors: {
  custom: {
    50: '#d08471',
    500: '#b3503a',
    950: '#000000',
  },
}

SCSS

$custom: #b3503a;
$custom-light: #d08471;
$custom-dark: #000000;

JSON

{
  "hex": "#b3503a",
  "rgb": {
    "r": 179,
    "g": 80,
    "b": 58
  },
  "hsl": {
    "h": 10.909,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55332,
    "c": 0.13416,
    "h": 34
  },
  "luminance": 0.15627
}

Semantic roles & 50–950 ramp

primary

#B3503A

secondary

#84B9C5

accent

#C1DB4D

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B3503A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →